84.75% is the change from 518 to 957
Calculation steps:
[( 957 - 518 ) ÷ 518] x 100 = 84.75%
Formula
Percentage change = [(957 - 518) / 518] x 100
Subtract the new number by the original number
957 - 518 = 439
439 ÷ 518 = 0.8474903474903475
0.8474903474903475 x 100 = 84.75%